Robot



FIG. 1 is a front view of a robot showing the new design;

FIG. 2 is a left perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right front perspective view looking down on the robot; and,

FIG. 6 is a left rear perspective view looking down on the robot.

The broken lines in the drawings depict unclaimed environmental subject matter. 

The ornamental design for a robot, as shown and described. 